Vulnerability identifier: #VU13405

Vulnerability risk: Low

CVSSv3.1: 4.6 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/E:U/RL:O/RC:C]

CVE-ID: CVE-2018-0358

CWE-ID: CWE-400

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Cisco TelePresence Video Communication Server
Server applications / Other server solutions

Vendor: Cisco Systems, Inc

Description

The vulnerability allows a remote attacker to cause DoS condition on the target system.

The vulnerability exists in the file descriptor handling of Cisco TelePresence Video Communication Server due to exhaustion of file descriptors while processing a high volume of traffic. A remote attacker can establish a high number of concurrent TCP connections, trigger resource exhaustion and cause a restart in a specific process, resulting in a temporary interruption of service.

Mitigation
Install update from vendor's website.

Vulnerable software versions

Cisco TelePresence Video Communication Server: All versions

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External links
http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20180620-vcse-dos

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.